﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Demo
{
    class Program
    {
        static void Main(string[] args)
        {
            SumUtils sum = new SumUtils();
            Console.WriteLine("两数和为"+sum.Sum(2,4));
            Console.WriteLine("两个小数相加和为"+sum.Sum(1.5,7.3));
            Console.WriteLine("两个字符串相加为"+sum.Sum("vgk","gvd"));
            Console.WriteLine("从1到指定整数的和为"+sum.Sum(56));
        }
    }
}
